Eclesiasticism or Ecclesiasticism: How To spell?
The word Eclesiasticism is misspelled against Ecclesiasticism, a noun meaning "Strong attachment to ecclesiastical usages, forms, etc."
Ecclesiasticism has double "cc" is mispronounced as "c"Remember double 'CC' in between the strings E & lesiasticism which should not be misspelled with single 'C'
Wrong Spelling:  E-c-lesiasticism  Correct Spelling:  E-cc-lesiasticism 
Find more wrongly spelled words of Ecclesiasticism to spell it well.